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प्रश्न
Fill in the blank:
_______ are used for grinding and crushing solid substances into a powder.
रिक्त स्थान भरें
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उत्तर
Mortar and pestle are used for grinding and crushing solid substances into a powder.
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Importance of 'observation' and 'experiment' in chemistry
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
